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feat(datastore): add opencensus tracing/stats support #2804

Merged
merged 9 commits into from Sep 18, 2020
Merged

feat(datastore): add opencensus tracing/stats support #2804

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b1264a0
add OpenCensus spans to all Datastore clients
AlisskaPie Aug 31, 2020
f6c6f3c
ReadWriteTransaction under if stmt, Transaction
AlisskaPie Sep 1, 2020
9ef76f3
empty line
AlisskaPie Sep 1, 2020
6f68434
added datastoreClient, deleted ReserveIds
AlisskaPie Sep 3, 2020
a48bf69
add missing ReadOnlyTransaction span
AlisskaPie Sep 9, 2020
b82d9fb
revert to else if
AlisskaPie Sep 14, 2020
3a938ee
Merge branch 'master' into datastore_tracing
tritone Sep 16, 2020
a0c0c99
Merge branch 'master' into datastore_tracing
tritone Sep 17, 2020
dd12fe5
Merge branch 'master' into datastore_tracing
tritone Sep 18, 2020
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19 changes: 19 additions & 0 deletions datastore/client.go
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Expand Up @@ -20,6 +20,7 @@ import (
"time"

"cloud.google.com/go/internal"
"cloud.google.com/go/internal/trace"
"cloud.google.com/go/internal/version"
gax "github.com/googleapis/gax-go/v2"
pb "google.golang.org/genproto/googleapis/datastore/v1"
Expand Down Expand Up @@ -50,6 +51,9 @@ func newDatastoreClient(conn grpc.ClientConnInterface, projectID string) pb.Data
}

func (dc *datastoreClient) Lookup(ctx context.Context, in *pb.LookupRequest, opts ...grpc.CallOption) (res *pb.LookupResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.Lookup")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.Lookup(ctx, in, opts...)
return err
Expand All @@ -58,6 +62,9 @@ func (dc *datastoreClient) Lookup(ctx context.Context, in *pb.LookupRequest, opt
}

func (dc *datastoreClient) RunQuery(ctx context.Context, in *pb.RunQueryRequest, opts ...grpc.CallOption) (res *pb.RunQueryResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.RunQuery")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.RunQuery(ctx, in, opts...)
return err
Expand All @@ -66,6 +73,9 @@ func (dc *datastoreClient) RunQuery(ctx context.Context, in *pb.RunQueryRequest,
}

func (dc *datastoreClient) BeginTransaction(ctx context.Context, in *pb.BeginTransactionRequest, opts ...grpc.CallOption) (res *pb.BeginTransactionResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.BeginTransaction")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.BeginTransaction(ctx, in, opts...)
return err
Expand All @@ -74,6 +84,9 @@ func (dc *datastoreClient) BeginTransaction(ctx context.Context, in *pb.BeginTra
}

func (dc *datastoreClient) Commit(ctx context.Context, in *pb.CommitRequest, opts ...grpc.CallOption) (res *pb.CommitResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.Commit")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.Commit(ctx, in, opts...)
return err
Expand All @@ -82,6 +95,9 @@ func (dc *datastoreClient) Commit(ctx context.Context, in *pb.CommitRequest, opt
}

func (dc *datastoreClient) Rollback(ctx context.Context, in *pb.RollbackRequest, opts ...grpc.CallOption) (res *pb.RollbackResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.Rollback")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.Rollback(ctx, in, opts...)
return err
Expand All @@ -90,6 +106,9 @@ func (dc *datastoreClient) Rollback(ctx context.Context, in *pb.RollbackRequest,
}

func (dc *datastoreClient) AllocateIds(ctx context.Context, in *pb.AllocateIdsRequest, opts ...grpc.CallOption) (res *pb.AllocateIdsResponse, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.datastoreClient.AllocateIds")
defer func() { trace.EndSpan(ctx, err) }()

err = dc.invoke(ctx, func(ctx context.Context) error {
res, err = dc.c.AllocateIds(ctx, in, opts...)
return err
Expand Down
8 changes: 7 additions & 1 deletion datastore/transaction.go
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Expand Up @@ -110,13 +110,19 @@ func (c *Client) NewTransaction(ctx context.Context, opts ...TransactionOption)
return c.newTransaction(ctx, newTransactionSettings(opts))
}

func (c *Client) newTransaction(ctx context.Context, s *transactionSettings) (*Transaction, error) {
func (c *Client) newTransaction(ctx context.Context, s *transactionSettings) (_ *Transaction, err error) {
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req := &pb.BeginTransactionRequest{ProjectId: c.dataset}
if s.readOnly {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.Transaction.ReadOnlyTransaction")
defer func() { trace.EndSpan(ctx, err) }()

req.TransactionOptions = &pb.TransactionOptions{
Mode: &pb.TransactionOptions_ReadOnly_{ReadOnly: &pb.TransactionOptions_ReadOnly{}},
}
} else if s.prevID != nil {
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ctx = trace.StartSpan(ctx, "cloud.google.com/go/datastore.Transaction.ReadWriteTransaction")
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defer func() { trace.EndSpan(ctx, err) }()

req.TransactionOptions = &pb.TransactionOptions{
Mode: &pb.TransactionOptions_ReadWrite_{ReadWrite: &pb.TransactionOptions_ReadWrite{
PreviousTransaction: s.prevID,
Expand Down